Travelers using the Go Now feature receive an alert 24 hours before any U.S. domestic flight letting them know when they need to leave to make it to the airport on time based on their location, the current flight status, and local traffic conditions.

The feature also includes a countdown timer that starts two hours before a flight, and a push notification that will alert users when they have 10 minutes left before they should leave for the airport.

“Even for the most seasoned travelers, finding the right time to leave for the airport can be tricky, especially in an unfamiliar city,” Jen Moyse, TripIt’s director of product, said in a press release.

With the new update, travelers can avoid leaving too late and scrambling for flights or arriving too early, only to be stuck at the airport.

Courtesy of TripIt

“Add in a flight delay or cancelation, and suddenly your day is ruined; with Go Now, we’ll take all of that into consideration so you don’t have to,” Moyse said in the release regarding the new feature.

Customers will need to sign up for a subscription to TripIt Pro, which costs $49 a year, to access the feature, but once they do, they can also access the TripIt Navigator, which will show the various transportation options available, their estimated costs, and their estimated arrival times.

Users who sign up for the Pro version can also easily rebook canceled flights and see if they’re eligible for a fare refund.